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    Subject[ANNOUNCE] Git v1.8.1-rc0
    Date
    A release candidate preview, Git v1.8.1-rc0, is now available for
    testing at the usual places.

    This cycle has been a bit slow (perhaps because it had a major US
    holiday to slow people down) but we seem to have managed to apply
    reasonably large number of usability improvement changes, with a
    handful of new features. There are several new and large-ish topics
    that are cooking in 'next', but I think we would better keep them
    cooking there without merging them to 'master' before the upcoming
    release to happen before the year end. So as far as features goes,
    this preview release is pretty much *it*.

    The release tarballs are found at:

    http://code.google.com/p/git-core/downloads/list

    and their SHA-1 checksums are:

    39faaa15bc71f8eb52048e77ea564cecf78c7adf git-1.8.1.rc0.tar.gz
    2eeba24488337de02b58dc442258d58b79e2b8f4 git-htmldocs-1.8.1.rc0.tar.gz
    b28d1f8e8b9268b712b33fbdfb67dd6f14afb499 git-manpages-1.8.1.rc0.tar.gz

    Also the following public repositories all have a copy of the v1.8.1-rc0
    tag and the master branch that the tag points at:

    url = git://repo.or.cz/alt-git.git
    url = https://code.google.com/p/git-core/
    url = git://git.sourceforge.jp/gitroot/git-core/git.git
    url = git://git-core.git.sourceforge.net/gitroot/git-core/git-core
    url = https://github.com/gitster/git

    Git v1.8.1 Release Notes (draft)
    ========================

    Backward compatibility notes
    ----------------------------

    In the next major release (not *this* one), we will change the
    behavior of the "git push" command.

    When "git push [$there]" does not say what to push, we have used the
    traditional "matching" semantics so far (all your branches were sent
    to the remote as long as there already are branches of the same name
    over there). We will use the "simple" semantics that pushes the
    current branch to the branch with the same name, only when the current
    branch is set to integrate with that remote branch. There is a user
    preference configuration variable "push.default" to change this, and
    "git push" will warn about the upcoming change until you set this
    variable in this release.

    "git branch --set-upstream" is deprecated and may be removed in a
    relatively distant future. "git branch [-u|--set-upstream-to]" has
    been introduced with a saner order of arguments to replace it.


    Updates since v1.8.0
    --------------------

    UI, Workflows & Features

    * Command-line completion scripts for tcsh and zsh have been added.

    * A new remote-helper interface for Mercurial has been added to
    contrib/remote-helpers.

    * We used to have a workaround for a bug in ancient "less" that
    causes it to exit without any output when the terminal is resized.
    The bug has been fixed in "less" version 406 (June 2007), and the
    workaround has been removed in this release.

    * Some documentation pages that used to ship only in the plain text
    format are now formatted in HTML as well.

    * "git-prompt" scriptlet (in contrib/completion) can be told to paint
    pieces of the hints in the prompt string in colors.

    * A new configuration variable "diff.context" can be used to
    give the default number of context lines in the patch output, to
    override the hardcoded default of 3 lines.

    * When "git checkout" checks out a branch, it tells the user how far
    behind (or ahead) the new branch is relative to the remote tracking
    branch it builds upon. The message now also advises how to sync
    them up by pushing or pulling. This can be disabled with the
    advice.statusHints configuration variable.

    * "git config --get" used to diagnose presence of multiple
    definitions of the same variable in the same configuration file as
    an error, but it now applies the "last one wins" rule used by the
    internal configuration logic. Strictly speaking, this may be an
    API regression but it is expected that nobody will notice it in
    practice.

    * "git log -p -S<string>" now looks for the <string> after applying
    the textconv filter (if defined); earlier it inspected the contents
    of the blobs without filtering.

    * "git format-patch" learned the "--notes=<ref>" option to give
    notes for the commit after the three-dash lines in its output.

    * "git log --grep=<pcre>" learned to honor the "grep.patterntype"
    configuration set to "perl".

    * "git replace -d <object>" now interprets <object> as an extended
    SHA-1 (e.g. HEAD~4 is allowed), instead of only accepting full hex
    object name.

    * "git rm $submodule" used to punt on removing a submodule working
    tree to avoid losing the repository embedded in it. Because
    recent git uses a mechanism to separate the submodule repository
    from the submodule working tree, "git rm" learned to detect this
    case and removes the submodule working tree when it is safe to do so.

    * "git send-email" used to prompt for the sender address, even when
    the committer identity is well specified (e.g. via user.name and
    user.email configuration variables). The command no longer gives
    this prompt when not necessary.

    * "git send-email" did not allow non-address garbage strings to
    appear after addresses on Cc: lines in the patch files (and when
    told to pick them up to find more recipients), e.g.

    Cc: Stable Kernel <stable@k.org> # for v3.2 and up

    The command now strips " # for v3.2 and up" part before adding the
    remainder of this line to the list of recipients.

    * "git submodule add" learned to add a new submodule at the same
    path as the path where an unrelated submodule was bound to in an
    existing revision via the "--name" option.

    * "git submodule sync" learned the "--recursive" option.

    * "diff.submodule" configuration variable can be used to give custom
    default value to the "git diff --submodule" option.

    * "git symbolic-ref" learned the "-d $symref" option to delete the
    named symbolic ref, which is more intuitive way to spell it than
    "update-ref -d --no-deref $symref".


    Foreign Interface

    * "git cvsimport" can be told to record timezones (other than GMT)
    per-author via its author info file.

    * The remote helper interface to interact with subversion
    repositories (one of the GSoC 2012 projects) has been merged.


    Performance, Internal Implementation, etc.

    * Compilation on Cygwin with newer header files are supported now.

    * The logic to generate the initial advertisement from "upload-pack"
    (i.e. what is invoked by "git fetch" on the other side of the
    connection) to list what refs are available in the repository has
    been optimized.

    * The logic to find set of attributes that match a given path has
    been optimized.

    * Use preloadindex in "git diff-index" and "git update-index", which
    has a nice speedup on systems with slow stat calls (and even on
    Linux).


    Also contains minor documentation updates and code clean-ups.


    Fixes since v1.8.0
    ------------------

    Unless otherwise noted, all the fixes since v1.8.0 in the maintenance
    track are contained in this release (see release notes to them for
    details).

    * The configuration parser had an unnecessary hardcoded limit on
    variable names that was not checked consistently.
    (merge 0971e99 bw/config-lift-variable-name-length-limit later to maint).

    * The "say" function in the test scaffolding incorrectly allowed
    "echo" to interpret "\a" as if it were a C-string asking for a
    BEL output.
    (merge 7bc0911 jc/test-say-color-avoid-echo-escape later to maint).

    * "git mergetool" feeds /dev/null as a common ancestor when dealing
    with an add/add conflict, but p4merge backend cannot handle
    it. Work it around by passing a temporary empty file.
    (merge 3facc60 da/mergetools-p4 later to maint).

    * "git log -F -E --grep='<ere>'" failed to use the given <ere>
    pattern as extended regular expression, and instead looked for the
    string literally.
    (merge 727b6fc jc/grep-pcre-loose-ends~1 later to maint).

    * "git grep -e pattern <tree>" asked the attribute system to read
    "<tree>:.gitattributes" file in the working tree, which was
    nonsense.
    (merge 55c6168 nd/grep-true-path later to maint).

    * A symbolic ref refs/heads/SYM was not correctly removed with "git
    branch -d SYM"; the command removed the ref pointed by SYM
    instead.
    (merge 13baa9f rs/branch-del-symref later to maint).

    * Update "remote tracking branch" in the documentation to
    "remote-tracking branch".
    (merge a6d3bde mm/maint-doc-remote-tracking later to maint).

    * "git pull --rebase" run while the HEAD is detached tried to find
    the upstream branch of the detached HEAD (which by definition
    does not exist) and emitted unnecessary error messages.
    (merge e980765 ph/pull-rebase-detached later to maint).

    * The refs/replace hierarchy was not mentioned in the
    repository-layout docs.
    (merge 11fbe18 po/maint-refs-replace-docs later to maint).

    * Various rfc2047 quoting issues around a non-ASCII name on the
    From: line in the output from format-patch have been corrected.
    (merge 25dc8da js/format-2047 later to maint).

    * Sometimes curl_multi_timeout() function suggested a wrong timeout
    value when there is no file descriptor to wait on and the http
    transport ended up sleeping for minutes in select(2) system call.
    A workaround has been added for this.
    (merge 7202b81 sz/maint-curl-multi-timeout later to maint).

    * For a fetch refspec (or the result of applying wildcard on one),
    we always want the RHS to map to something inside "refs/"
    hierarchy, but the logic to check it was not exactly right.
    (merge 5c08c1f jc/maint-fetch-tighten-refname-check later to maint).

    * "git diff -G<pattern>" did not honor textconv filter when looking
    for changes.
    (merge b1c2f57 jk/maint-diff-grep-textconv later to maint).

    * Some HTTP servers ask for auth only during the actual packing phase
    (not in ls-remote phase); this is not really a recommended
    configuration, but the clients used to fail to authenticate with
    such servers.
    (merge 2e736fd jk/maint-http-half-auth-fetch later to maint).

    * "git p4" used to try expanding malformed "$keyword$" that spans
    across multiple lines.
    (merge 6b2bf41 pw/maint-p4-rcs-expansion-newline later to maint).

    * Syntax highlighting in "gitweb" was not quite working.
    (merge 048b399 rh/maint-gitweb-highlight-ext later to maint).

    * RSS feed from "gitweb" had a xss hole in its title output.
    (merge 0f0ecf6 jk/maint-gitweb-xss later to maint).

    * "git config --path $key" segfaulted on "[section] key" (a boolean
    "true" spelled without "=", not "[section] key = true").
    (merge 962c38e cn/config-missing-path later to maint).

    * "git checkout -b foo" while on an unborn branch did not say
    "Switched to a new branch 'foo'" like other cases.
    (merge afa8c07 jk/checkout-out-of-unborn later to maint).

    * We failed to mention a file without any content change but whose
    permission bit was modified, or (worse yet) a new file without any
    content in the "git diff --stat" output.
    (merge de9095955 lt/diff-stat-show-0-lines later to maint).

    * When "--stat-count" hides a diffstat for binary contents, the total
    number of added and removed lines at the bottom was computed
    incorrectly.
    (merge de9095955 lt/diff-stat-show-0-lines later to maint).

    * When "--stat-count" hides a diffstat for unmerged paths, the total
    number of affected files at the bottom of the "diff --stat" output
    was computed incorrectly.
    (merge de9095955 lt/diff-stat-show-0-lines later to maint).

    * "diff --shortstat" miscounted the total number of affected files
    when there were unmerged paths.
    (merge de9095955 lt/diff-stat-show-0-lines later to maint).

    * "update-ref -d --deref SYM" to delete a ref through a symbolic ref
    that points to it did not remove it correctly.
    (merge b274a71 jh/update-ref-d-through-symref later to maint).


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